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UserInfoManager.h文件
#import <UIKit/UIKit.h>
@interface UserInfoManager : NSObject
+(BOOL)initWithDic:(NSDictionary *)dic;
+(NSDictionary *)readUserInfo;
+(BOOL)isFirstLoad;
+(BOOL)updateWithObject:(id)obj forKey:(NSString *)key;
+(BOOL)updateWithBool:(BOOL)boolValue forKey:(NSString *)key;
+(BOOL)updateWithFloat:(float)floatValue forKey:(NSString *)key;
@end
UserInfoManager.m文件
#import "UserInfoManager.h"
#import "Foundation/Foundation.h"
@interface UserInfoManager ()
@end
@implementation UserInfoManager
//是否第一次登陆
+(BOOL)isFirstLoad
{
if([[NSUserDefaults standardUserDefaults] objectForKey:@"isFirstLoad"])
{
[[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"isFirstLoad"];
return YES;
}
else
{
return NO;
}
}
//创建一个NSUserDefaults对象用以保存数据
+(BOOL)initWithDic:(NSDictionary *)dic
{
NSUserDefaults * userInfoManager = [NSUserDefaults standardUserDefaults];
if (dic == Nil) {
return NO;
}
NSArray * keys = [dic allKeys];
for(int i = 0;i < [keys count];i ++)
{
[userInfoManager setObject:[dic objectForKey:[keys objectAtIndex:i]] forKey:[keys objectAtIndex:i]];
}
return [userInfoManager synchronize];
}
//读取数据
+(NSDictionary *)readUserInfo
{
NSUserDefaults * userInfoManager = [NSUserDefaults standardUserDefaults];
return [userInfoManager dictionaryRepresentation];
}
//更改某项数据
+(BOOL)updateWithObject:(id)obj forKey:(NSString *)key
{
[[NSUserDefaults standardUserDefaults] setObject:obj forKey:key];
return [[NSUserDefaults standardUserDefaults] synchronize];
}
+(BOOL)updateWithBool:(BOOL)boolValue forKey:(NSString *)key
{
[[NSUserDefaults standardUserDefaults] setBool:boolValue forKey:key];
return [[NSUserDefaults standardUserDefaults] synchronize];
}
+(BOOL)updateWithFloat:(float)floatValue forKey:(NSString *)key
{
[[NSUserDefaults standardUserDefaults] setFloat:floatValue forKey:key];
return [[NSUserDefaults standardUserDefaults] synchronize];
}
@end